Seamless tube for hollow piston rod is a kind of cold drawn seamless precision steel tubes that is externally grinded to certain OD tolerance or even grinded&polished to finished size for further hard chrome plating.
Typical sizes of tube for hollow piston rod:
Available Steel Grades:
Manufacture Method: Hydraulic cold drawing, Cold rolling.
Delivery Condition: cold drawn or cold rolled without final heat treating, stress relieved.
Thickness of chromed layer: as per request.
Roughness of chromed surface: Ra0.30um max.
OD tolerance: f7,f8,f9
Straightness: 0.5mm/1000mm max